Why air embolism causes stroke?
In: Biology
There are 2 types of strokes: blockage and hemorrhage.
A hemorrhagic stroke is when a blood vessel breaks in your brain. This is the more severe type, as the blood pooling is its own problem. An air embolism usually doesn’t cause this.
A blockage stroke is simply a blockage in the blood vessel, preventing blood from going to part of the brain. That blockage can be fat deposits, cholesterol, clots, or in rare cases: air. Since the brain is at the top of the body, blood pressure is lowest there. If an air bubble gets into your circulatory system somehow (injury, injection) and comes to rest in a high point in a branch, blood cannot get past it and anything beyond that point gets starved of oxygen very quickly
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